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								/*
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								 * Jack-detection handling for HD-audio
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								 *
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								 * Copyright (c) 2011 Takashi Iwai <tiwai@suse.de>
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								 *
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								 * This driver is free software; you can redistribute it and/or modify
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								 * it under the terms of the GNU General Public License as published by
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								 * the Free Software Foundation; either version 2 of the License, or
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								 * (at your option) any later version.
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								 */
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								#ifndef __SOUND_HDA_JACK_H
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								#define __SOUND_HDA_JACK_H
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								struct auto_pin_cfg;
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								struct hda_jack_tbl;
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								typedef void (*hda_jack_callback) (struct hda_codec *, struct hda_jack_tbl *);
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								struct hda_jack_tbl {
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									hda_nid_t nid;
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									unsigned char action;		/* event action (0 = none) */
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									unsigned char tag;		/* unsol event tag */
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									unsigned int private_data;	/* arbitrary data */
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									hda_jack_callback callback;
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									/* jack-detection stuff */
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									unsigned int pin_sense;		/* cached pin-sense value */
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									unsigned int jack_detect:1;	/* capable of jack-detection? */
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									unsigned int jack_dirty:1;	/* needs to update? */
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									unsigned int phantom_jack:1;    /* a fixed, always present port? */
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									hda_nid_t gating_jack;		/* valid when gating jack plugged */
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									hda_nid_t gated_jack;		/* gated is dependent on this jack */
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									struct snd_kcontrol *kctl;	/* assigned kctl for jack-detection */
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								#ifdef CONFIG_SND_HDA_INPUT_JACK
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									int type;
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									struct snd_jack *jack;
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								#endif
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								};
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								struct hda_jack_tbl *
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								snd_hda_jack_tbl_get(struct hda_codec *codec, hda_nid_t nid);
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								struct hda_jack_tbl *
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								snd_hda_jack_tbl_get_from_tag(struct hda_codec *codec, unsigned char tag);
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								struct hda_jack_tbl *
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								snd_hda_jack_tbl_new(struct hda_codec *codec, hda_nid_t nid);
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								void snd_hda_jack_tbl_clear(struct hda_codec *codec);
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								/**
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								 * snd_hda_jack_get_action - get jack-tbl entry for the tag
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								 *
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								 * Call this from the unsol event handler to get the assigned action for the
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								 * event.  This will mark the dirty flag for the later reporting, too.
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								 */
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								static inline unsigned char
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								snd_hda_jack_get_action(struct hda_codec *codec, unsigned int tag)
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								{
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									struct hda_jack_tbl *jack = snd_hda_jack_tbl_get_from_tag(codec, tag);
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									if (jack) {
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										jack->jack_dirty = 1;
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										return jack->action;
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									}
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									return 0;
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								}
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								void snd_hda_jack_set_dirty_all(struct hda_codec *codec);
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								int snd_hda_jack_detect_enable(struct hda_codec *codec, hda_nid_t nid,
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											       unsigned char action);
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								int snd_hda_jack_detect_enable_callback(struct hda_codec *codec, hda_nid_t nid,
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													unsigned char action,
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													hda_jack_callback cb);
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								int snd_hda_jack_set_gating_jack(struct hda_codec *codec, hda_nid_t gated_nid,
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												 hda_nid_t gating_nid);
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								u32 snd_hda_pin_sense(struct hda_codec *codec, hda_nid_t nid);
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								int snd_hda_jack_detect(struct hda_codec *codec, hda_nid_t nid);
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								bool is_jack_detectable(struct hda_codec *codec, hda_nid_t nid);
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								int snd_hda_jack_add_kctl(struct hda_codec *codec, hda_nid_t nid,
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											  const char *name, int idx);
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								int snd_hda_jack_add_kctls(struct hda_codec *codec,
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											   const struct auto_pin_cfg *cfg);
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								void snd_hda_jack_report_sync(struct hda_codec *codec);
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								void snd_hda_jack_unsol_event(struct hda_codec *codec, unsigned int res);
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								void snd_hda_jack_poll_all(struct hda_codec *codec);
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								#endif /* __SOUND_HDA_JACK_H */
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